It's just broken and it's taking a lot of effort to fix it, so for now just
disable it so people can defrag in peace.  Thanks,

Cc: sta...@vger.kernel.org
Signed-off-by: Josef Bacik <jba...@fb.com>
---
 fs/btrfs/inode.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 3b65987..8c0bc31 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -2628,7 +2628,7 @@ static int btrfs_finish_ordered_io(struct 
btrfs_ordered_extent *ordered_extent)
                        EXTENT_DEFRAG, 1, cached_state);
        if (ret) {
                u64 last_snapshot = btrfs_root_last_snapshot(&root->root_item);
-               if (last_snapshot >= BTRFS_I(inode)->generation)
+               if (0 && last_snapshot >= BTRFS_I(inode)->generation)
                        /* the inode is shared */
                        new = record_old_file_extents(inode, ordered_extent);
 
-- 
1.8.3.1

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